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Finding the Fourth Proportional to 45,362,169.90, 67,948,776.45 and 45,362,169.90

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Solution

The fourth proportional to 45,362,169.90, 67,948,776.45 and 45,362,169.90 is: 67,948,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,362,169.90 : 67,948,776.45 = 45,362,169.90 : x
  2. Step 2: Convert to fraction form
    45,362,169.90/67,948,776.45 = 45,362,169.90/x
  3. Step 3: Cross multiply
    45,362,169.90x = 67,948,776.45 × 45,362,169.90
  4. Step 4: Simplify right side
    45,362,169.90x = 3,082,303,941,822,019
  5. Step 5: Solve for x
    x = 3,082,303,941,822,019/45,362,169.90
  6. Step 6: Final answer
    x = 67,948,776.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.